STUDY ON SHEAR PERFORMANCE OF ULTRA-HIGH PERFORMANCE CONCRETE BEAMS WITH STEEL BAR AND HYBRID STEEL FIBER

Diao Bo; Feng Yun; Ye Yinghua; Yang Songlin

doi:10.13204/j.gyjz201211002

Volume 42 Issue 11

Dec. 2014

Turn off MathJax

Article Contents

Article Navigation > INDUSTRIAL CONSTRUCTION > 2012 > 42(11): 6-10,15

Diao Bo, Feng Yun, Ye Yinghua, Yang Songlin. STUDY ON SHEAR PERFORMANCE OF ULTRA-HIGH PERFORMANCE CONCRETE BEAMS WITH STEEL BAR AND HYBRID STEEL FIBER[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(11): 6-10,15. doi: 10.13204/j.gyjz201211002

Citation:

Diao Bo, Feng Yun, Ye Yinghua, Yang Songlin. STUDY ON SHEAR PERFORMANCE OF ULTRA-HIGH PERFORMANCE CONCRETE BEAMS WITH STEEL BAR AND HYBRID STEEL FIBER[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(11): 6-10,15. doi: 10.13204/j.gyjz201211002

Citation:

PDF( 0 KB)

STUDY ON SHEAR PERFORMANCE OF ULTRA-HIGH PERFORMANCE CONCRETE BEAMS WITH STEEL BAR AND HYBRID STEEL FIBER

doi: 10.13204/j.gyjz201211002

1.
1. Department of Civil Engineering,Beihang University,Bejing 100191,China;
2.
2. First Bureau of Real Estate Development Co.Ltd,China Construction Group,Beijing 100161,China;
3.
3. China Architecture Design &Research Institute,Beijing 100044,China

Rev Recd Date: 2011-10-12
Publish Date: 2012-11-20

Abstract

Abstract

Self-compacting ultra-high performance steel fiber reinforced concrete has the advantages in high strength,high toughness,high fluidity and durability.However,its tensile strength is still far below the compressive strength.In this experiment,superfine fiber and end-bend fiber with steel fiber volume ratio of 2% are mixed at a proportion of 3:1 in the concrete with a matrix strength higher than C100,to be applied into the ultrahigh performance fiber concrete beam of 550 MPa tensile reinforcement.Six beams with shear span ratio of 2.5 and 3 are studied in this experiment through the method of static loading tests.The results show that at compare with beams without fiber,the imitial crack load of ultra-high performance reinforced concrete beams with steel bar and hybrid steel fiber is increased by 25%～180%,the load of 0.2mm crack width is increased 73%～18%,the ultimate load is increased by 68%～317%,the ductility is increased by 3.2～4.4 times.
- ultra-high performance fiber reinforced concrete beam,
- static test,
- oblique cross-section under shear,
- shear span ratio,
- hybrid-fiber,
- self-compacting concrete

FullText(HTML)

References(12)

References

[2] Richard P.Composites of Reactive Powder Concretes[J].Cement and Concrete Research，1995，25(7): 1501－1511.

蒲心诚.超高强高性能混凝土[M].重庆: 重庆大学出版社，1993: 13－19.

[3] Yang S L，Millard S G，Soutsos M N，et al.Influence of Aggregate and Curing Regime on the Mechanical Properties of Ultra-High Performance Fiber Reinforced Concrete (UHPFRC ) [J].Construction and Building Materials，2 009，23(6): 2291－2298.

[4] Mindess S.Fiber Reinforced Cementitious Composites [M].Abingdon，Oxon: Taylor ＆ Francis，2007.

[5] Markovic I.High-Performance Hybrid Concrete Development and Utilisation[M].Nertherlands: Delft University Press，2006:228.

[6] CECS 38: 2004 纤维混凝土结构技术规程[S].

[7] 张宏战，董承逵，张瑞瑾.钢纤维高强混凝土箍筋梁抗剪性能试验[J].哈尔滨工业大学学报，2006，38(10):1781－1785.

[8] 朱海棠，高丹盈，汤寄予.纤维高强混凝土抗剪性能影响因素的研究[J].水力发电学报，2004，23(3):66－70.

[9] 刘岳鑫，丁一宁，刘思国.钢纤维对钢筋自密实混凝土梁抗剪性能的影响[J].混凝土，2009(10):38－87.

[10] 杨松霖.超高性能混杂纤维混凝土力学性能研究[D].北京:北京航空航天大学，2010.

[11] 杨松霖，刁波，叶英华.钢筋超高性能混合纤维混凝土梁力学性能试验研究[J].建筑结构学报，2011，32(2):17－23.

[12] Richard P，Cheyrezy M.Reactive Powder Concretes with High Ductility and 200～800 MPa Compressive Strength[J].ACI Special Publication，1994:507－518．

Relative Articles

Supplements(0)

Cited By